Pcornat/stm32l476rg-i2c-thermopile
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WIP getting data with interrupts

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This commit is contained in:
Pcornat 2025-02-13 23:58:34 +01:00
commit 256cd3c500
Signed by: Pcornat
GPG key ID: E0326CC678A00BDD
2 changed files with 73 additions and 14 deletions
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60
Src/main.c
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@ -63,11 +63,17 @@ static void MX_NVIC_Init(void);
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
typedef struct config_s {
const uint8_t address;
const uint8_t write_read;
uint8_t command[2];
} Config;
volatile ArrayResgiters array_part = data_top_reg;
volatile StepArrayRetrieve block_step = top_block_0;
const uint8_t part_half_array = 256;
const uint8_t ptat_num = 1;
const uint8_t total_array_size = 1024;
uint16_t top_blk0[part_half_array + ptat_num] = { 0 };
uint16_t top_blk1[part_half_array + ptat_num] = { 0 };
uint16_t top_blk2[part_half_array + ptat_num] = { 0 };
uint16_t top_blk3[part_half_array + ptat_num] = { 0 };
uint16_t bot_blk0[part_half_array + ptat_num] = { 0 };
uint16_t complete_array[total_array_size] = { 0 };
void configure_sensor() {
uint8_t data = 1;
@ -104,7 +110,41 @@ void configure_sensor() {
HAL_Delay(6);
}
// void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c) {}
void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c) {
switch (block_step) {
case top_block_0:
block_step = top_block_1;
HAL_I2C_Mem_Read_IT(&hi2c1,
sensor_addr,
data_top_reg | start_get_mat,
1,
(uint8_t *) top_blk0,
sizeof(top_blk0) * sizeof(uint16_t));
break;
case top_block_1:
block_step = top_block_2;
break;
case top_block_2:
block_step = top_block_3;
break;
case top_block_3:
block_step = bot_block_0;
break;
case bot_block_0:
block_step = bot_block_1;
break;
case bot_block_1:
block_step = bot_block_2;
break;
case bot_block_2:
block_step = bot_block_3;
break;
case bot_block_3:
break;
default:
break;
}
}
/* USER CODE END 0 */
@ -114,11 +154,7 @@ void configure_sensor() {
*/
int main(void) {
/* USER CODE BEGIN 1 */
const uint8_t part_half_array = 256;
const uint8_t ptat_num = 1;
const uint8_t total_array_size = 1024;
uint_fast16_t top_half[part_half_array + ptat_num] = { 0 };
uint_fast16_t complete_array[total_array_size] = { 0 };
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
@ -154,7 +190,7 @@ int main(void) {
sensor_addr,
data_top_reg,
1,
(uint8_t *) &top_half,
(uint8_t *) &top_blk0,
part_half_array * sizeof(uint16_t),
5);
/* USER CODE END 2 */